Born-Digital or AnalogAnalogTranscriptIowa and Colorado company Activities, Summit district, Colorado. R. hl. News. Apr. 30, 1880. p.5 c. l Description of tunnel activities, Colorado. R. M. News. June 15, 1880. p.3 c.l Tunnel activities, Colorado. R. M. News. June 20, 1880. p.3 c.l Summer activities, San Juan dist.Colorado. R.M.News.Nov.10,1882 p.2 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Iowa and Colorado company, [334649]. Denver Public Library Digital Collections, accessed 24/05/2025, https://digital.denverlibrary.org/nodes/view/1569945
